function fetch_list(url)
{
	var ajax = new XMLHttpRequest();
	ajax.onreadystatechange = function() {
		alert(ajax.readyState + '   ' + ajax.status);
		if (ajax.readyState != 4) return;
		if (ajax.status != 200) return;
		//alert('back');
		document.write(ajax.responseText);
	};
	ajax.open("GET", url, true);
	ajax.send(null);
	alert('sent');
}

document.write(document.location);
fetch_list(document.location);